EP3722717A1 - Trémie pour le conditionnement thermique de matières plastiques, installation comprenant une telle trémie et procédé d'utilisation d'une telle trémie - Google Patents

Trémie pour le conditionnement thermique de matières plastiques, installation comprenant une telle trémie et procédé d'utilisation d'une telle trémie Download PDF

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Publication number
EP3722717A1
EP3722717A1 EP20165573.5A EP20165573A EP3722717A1 EP 3722717 A1 EP3722717 A1 EP 3722717A1 EP 20165573 A EP20165573 A EP 20165573A EP 3722717 A1 EP3722717 A1 EP 3722717A1
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EP
European Patent Office
Prior art keywords
hopper
process fluid
plastics
supplying chamber
containing body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20165573.5A
Other languages
German (de)
English (en)
Other versions
EP3722717B1 (fr
Inventor
Enrico Bellio
Marco BORTOLOZZO
Davide Cappellini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PIOVAN SpA
Original Assignee
PIOVAN SpA
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Publication date
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Publication of EP3722717A1 publication Critical patent/EP3722717A1/fr
Application granted granted Critical
Publication of EP3722717B1 publication Critical patent/EP3722717B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • F26B17/1408—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas the gas being supplied and optionally extracted through ducts extending into the moving stack of material
    • F26B17/1425—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas the gas being supplied and optionally extracted through ducts extending into the moving stack of material the ducts being perforated and arranged vertically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/50—Ducting arrangements from the source of air or other gases to the materials or objects being dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/063—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers for drying granular material in bulk, e.g. grain bins or silos with false floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B2009/125—Micropellets, microgranules, microparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/161—Absorbing, i.e. introducing a gas, a liquid or a solid material into the granules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying goods
    • F26B2200/08—Granular materials

Definitions

  • the invention relates to a hopper for thermally conditioning plastics, a thermal conditioning plant including such a hopper and a thermal conditioning method using such a hopper.
  • the dwell time of the granules in the hopper it is of significant importance for the dwell time of the granules in the hopper to be almost the same. A different dwell time in fact results in different degrees of humidity in the granules.
  • a flow of material of the "mass flow” type is in fact characterized by the fact of there being a uniform descent of the granules inside the dehumidifying and/or drying hopper, i.e. without forming preferential descent channels.
  • the loose material 14 has a substantially spherical shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP20165573.5A 2019-04-08 2020-03-25 Trémie pour le conditionnement thermique de matières plastiques, installation comprenant une telle trémie et procédé d'utilisation d'une telle trémie Active EP3722717B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000005320A IT201900005320A1 (it) 2019-04-08 2019-04-08 Tramoggia per condizionare termicamente materie plastiche, impianto includente tale tramoggia e metodo utilizzante tale tramoggia

Publications (2)

Publication Number Publication Date
EP3722717A1 true EP3722717A1 (fr) 2020-10-14
EP3722717B1 EP3722717B1 (fr) 2021-12-22

Family

ID=67262851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20165573.5A Active EP3722717B1 (fr) 2019-04-08 2020-03-25 Trémie pour le conditionnement thermique de matières plastiques, installation comprenant une telle trémie et procédé d'utilisation d'une telle trémie

Country Status (2)

Country Link
EP (1) EP3722717B1 (fr)
IT (1) IT201900005320A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117685767A (zh) * 2024-02-01 2024-03-12 中建环能科技股份有限公司 一种管筒式换热装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI864572B (zh) * 2022-03-17 2024-12-01 德商伍德英汎達 費雪有限責任公司 用於聚合物顆粒之乾燥裝置
BE1030363B1 (de) * 2022-03-17 2023-10-16 Uhde Inventa Fischer Gmbh Trocknungsvorrichtung für Polymergranulate

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325913A (en) * 1965-02-11 1967-06-20 Thoreson Mccosh Inc Apparatus for treating plastic materials
US3337969A (en) * 1965-02-11 1967-08-29 Thoreson Mccosh Inc Plastic material dryer
US3735563A (en) * 1971-11-04 1973-05-29 C Adams Regenerating desiccator
US3875683A (en) * 1974-05-17 1975-04-08 Whitlock Inc Integral heater plenum drying hoppers
US20030154624A1 (en) * 2002-02-19 2003-08-21 Sears Charles F. Drying hopper
US20090090019A1 (en) * 2007-10-09 2009-04-09 Renato Moretto Granular material treatment unit having a heat-regeneration group
EP2447655A1 (fr) * 2010-10-26 2012-05-02 Moretto S.P.A. Procédé et installation de déshumidification de matériau sous forme granulaire
US8914990B2 (en) * 2008-02-18 2014-12-23 Moretto S.P.A. Hopper structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325913A (en) * 1965-02-11 1967-06-20 Thoreson Mccosh Inc Apparatus for treating plastic materials
US3337969A (en) * 1965-02-11 1967-08-29 Thoreson Mccosh Inc Plastic material dryer
US3735563A (en) * 1971-11-04 1973-05-29 C Adams Regenerating desiccator
US3875683A (en) * 1974-05-17 1975-04-08 Whitlock Inc Integral heater plenum drying hoppers
US20030154624A1 (en) * 2002-02-19 2003-08-21 Sears Charles F. Drying hopper
US20090090019A1 (en) * 2007-10-09 2009-04-09 Renato Moretto Granular material treatment unit having a heat-regeneration group
US8914990B2 (en) * 2008-02-18 2014-12-23 Moretto S.P.A. Hopper structure
EP2447655A1 (fr) * 2010-10-26 2012-05-02 Moretto S.P.A. Procédé et installation de déshumidification de matériau sous forme granulaire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117685767A (zh) * 2024-02-01 2024-03-12 中建环能科技股份有限公司 一种管筒式换热装置
CN117685767B (zh) * 2024-02-01 2024-04-19 中建环能科技股份有限公司 一种管筒式换热装置

Also Published As

Publication number Publication date
IT201900005320A1 (it) 2020-10-08
EP3722717B1 (fr) 2021-12-22

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